20210001021010 has 16 divisors (see below), whose sum is σ = 36738180075672. Its totient is φ = 8003960800000.

The previous prime is 20210001020983. The next prime is 20210001021013. The reversal of 20210001021010 is 1012010001202.

It can be written as a sum of positive squares in 4 ways, for example, as 14488064329761 + 5721936691249 = 3806319^2 + 2392057^2 .

It is a super-2 number, since 2×20210001021010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20210001021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10004949991 + ... + 10004952010.

Almost surely, 2^{20210001021010} is an apocalyptic number.

20210001021010 is a deficient number, since it is larger than the sum of its proper divisors (16528179054662).

20210001021010 is a wasteful number, since it uses less digits than its factorization.

20210001021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20009902109.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20210001021010 its reverse (1012010001202), we get a palindrome (21222011022212).

The spelling of 20210001021010 in words is "twenty trillion, two hundred ten billion, one million, twenty-one thousand, ten".